changeset: 10519:e1ca700aaa1f tag: tip user: neugens date: Fri Feb 27 15:50:03 2015 +0100 summary: 8071705: Java application menu misbehaves when running multiple screen stacked vertically diff --git jdk8/jdk/src/share/classes/javax/swing/JMenu.java jdk8/jdk/src/share/classes/javax/swing/JMenu.java --- jdk8/jdk/src/share/classes/javax/swing/JMenu.java +++ jdk8/jdk/src/share/classes/javax/swing/JMenu.java @@ -475,7 +475,8 @@ } // Then the y: y = s.height + yOffset; // Prefer dropping down - if (position.y + y + pmSize.height >= screenBounds.height && + if (position.y + y + pmSize.height >= screenBounds.height + + screenBounds.y && // popup doesn't fit - place it wherever there's more room screenBounds.height - s.height < 2*(position.y - screenBounds.y)) { diff --git jdk8/jdk/test/javax/swing/JMenu/8071705/bug8071705.java jdk8/jdk/test/javax/swing/JMenu/8071705/bug8071705.java new file mode 100644 --- /dev/null +++ jdk8/jdk/test/javax/swing/JMenu/8071705/bug8071705.java @@ -0,0 +1,207 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8071705 + * @summary Java application menu misbehaves when running multiple screen stacked vertically + * @build bug8071705 + * @run main/othervm bug8071705 + */ + +import java.awt.Dimension; +import java.awt.GraphicsConfiguration; +import java.awt.GraphicsDevice; +import java.awt.GraphicsEnvironment; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.Toolkit; +import java.awt.event.ComponentAdapter; +import java.awt.event.ComponentEvent; +import java.awt.event.KeyEvent; +import java.util.concurrent.CountDownLatch; + +import javax.swing.JFrame; +import javax.swing.JMenu; +import javax.swing.JMenuBar; +import javax.swing.JMenuItem; +import javax.swing.JPopupMenu; +import javax.swing.SwingUtilities; +import javax.swing.UIManager; + +public class bug8071705 { + + public static void main(String[] args) throws Exception { + + final CountDownLatch latch = new CountDownLatch(1); + final boolean [] result = new boolean[1]; + + SwingUtilities.invokeLater(new Runnable() { + @Override + public void run() { + JFrame frame = createGUI(); + GraphicsDevice[] devices = checkScreens(); + + // check if we have more than one and if they are stacked + // vertically + GraphicsDevice device = checkConfigs(devices); + if (device == null) { + // just pass the test + frame.dispose(); + result[0] = true; + latch.countDown(); + } else { + FrameListener listener = + new FrameListener(device, latch, result); + frame.addComponentListener(listener); + frame.setVisible(true); + } + } + }); + + latch.await(); + + if (result[0] == false) { + throw new RuntimeException("popup menu rendered in wrong position"); + } + + System.out.println("OK"); + } + + private static GraphicsDevice[] checkScreens() { + GraphicsEnvironment ge = + GraphicsEnvironment.getLocalGraphicsEnvironment(); + return ge.getScreenDevices(); + } + + private static JFrame createGUI() { + JMenuBar menuBar = new JMenuBar(); + JMenu menu = new JMenu("Some menu"); + menuBar.add(menu); + + for (int i = 0; i < 10; i++) { + menu.add(new JMenuItem("Some menu #" + i)); + } + + JFrame frame = new JFrame(); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.setMinimumSize(new Dimension(200, 200)); + frame.setJMenuBar(menuBar); + return frame; + } + + private static GraphicsDevice checkConfigs(GraphicsDevice[] devices) { + + GraphicsDevice correctDevice = null; + if (devices.length < 2) { + return correctDevice; + } + + Toolkit toolkit = Toolkit.getDefaultToolkit(); + Rectangle screenBounds = new Rectangle(toolkit.getScreenSize()); + int halfScreen = screenBounds.height/2; + + for(int i = 0; i < devices.length; i++) { + if(devices[i].getType() == GraphicsDevice.TYPE_RASTER_SCREEN) { + GraphicsConfiguration conf = + devices[i].getDefaultConfiguration(); + Rectangle bounds = conf.getBounds(); + if (bounds.y >= halfScreen) { + // found + correctDevice = devices[i]; + break; + } + } + } + return correctDevice; + } + + private static class FrameListener extends ComponentAdapter { + + private GraphicsDevice device; + private CountDownLatch latch; + private boolean [] result; + public FrameListener(GraphicsDevice device, + CountDownLatch latch, + boolean [] result) + { + this.device = device; + this.latch = latch; + this.result = result; + } + + @Override + public void componentShown(ComponentEvent e) { + JFrame frame = (JFrame) e.getComponent(); + + runActualTest(device, latch, frame, result); + + frame.setVisible(false); + frame.dispose(); + latch.countDown(); + } + } + + private static Rectangle setLocation(JFrame frame, GraphicsDevice device) { + GraphicsConfiguration conf = device.getDefaultConfiguration(); + Rectangle bounds = conf.getBounds(); + + // put just below half screen + int x = bounds.x + bounds.width/2; + int y = bounds.y + bounds.height/2; + frame.setLocation(x, y); + + return bounds; + } + + private static void runActualTest(GraphicsDevice device, + CountDownLatch latch, + JFrame frame, + boolean [] result) + { + Rectangle screenBounds = setLocation(frame, device); + JMenu menu = frame.getJMenuBar().getMenu(0); + menu.doClick(); + + Point location = menu.getLocationOnScreen(); + JPopupMenu pm = menu.getPopupMenu(); + Dimension pmSize = pm.getSize(); + + int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY"); + int height = location.y + yOffset + pmSize.height + menu.getHeight(); + int available = screenBounds.y + screenBounds.height - height; + if (available > 0) { + Point origin = pm.getLocationOnScreen(); + if (origin.y < location.y) { + // growing upward, wrong! + result[0] = false; + } else { + // growing downward, ok! + result[0] = true; + } + } else { + // there is no space, growing upward would be ok, so we pass + result[0] = true; + } + } +}